Guide not written yet. We add one after we've played the game. For now, this is the developer's own description.
About Snow Mo-Cannon Shooting Game
Defend your snowy friends in a winter battlefield! Command a powerful cannon, tapping and dragging to fire against relentless snowball invaders. Strategically upgrade your cannon and sharpen your reflexes to withstand endless waves and challenging boss battles. Can you master the field before the snow bears claim victory?
Description supplied by the developer via GamePix.